Add TitledUrlIndex for indexing arbitrary title/URL pairs

components/bookmarks/browser/bookmark_node.cc

Index: components/bookmarks/browser/bookmark_node.cc
diff --git a/components/bookmarks/browser/bookmark_node.cc b/components/bookmarks/browser/bookmark_node.cc
index 9574cf1ea5b148383fec8e4dd786030f2e53f724..8bc1c292318d75af9f35347e93249921be151068 100644
--- a/components/bookmarks/browser/bookmark_node.cc
+++ b/components/bookmarks/browser/bookmark_node.cc
@@ -103,6 +103,14 @@ const BookmarkNode::MetaInfoMap* BookmarkNode::GetMetaInfoMap() const {
   return meta_info_map_.get();
 }
 
+const base::string16& BookmarkNode::GetTitledUrlNodeTitle() const {
+  return GetTitle();
+}
+
+const GURL& BookmarkNode::GetTitledUrlNodeUrl() const {
+  return url_;
+}
+
 void BookmarkNode::Initialize(int64_t id) {
   id_ = id;
   type_ = url_.is_empty() ? FOLDER : URL;